TLS-RPT provides delivery failure reports
A _smtp._tls TXT record declares mailto or HTTPS destinations for TLS reporting summaries. Reports describe connection failures and policy evaluation issues.
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TLS-RPT checker
Look up the TLS-RPT record and inspect its reporting destinations.
Your result will appear here.
Run the check to see structured findings, severity, evidence and next steps from the public diagnostics API.
The details
TLS-RPT provides delivery failure reports
Use a monitored destination
Verify that the destination mailbox or endpoint is controlled, monitored and prepared to receive regular aggregate reports.
A result is a point-in-time check
DNS can vary by resolver and change over time. Verify important changes with your DNS provider and mail platform. Public DNS checks cannot see every private report or sending configuration.
Explore MailConfig ProFrequently asked questions
What does the TLS-RPT checker do?
Look up the TLS-RPT record and inspect its reporting destinations.
Do I need an account?
No. This public tool is available without registration.